Mack MP8 6 Cylinder 12.8 L Diesel 505 hp Engine, US EPA Label, CARB Compliant, Requires Diesel Exhaust Fluid, 1668.7 Engine hrs, Engine Brake, Eaton Fuller 18-Speed Manual Transmission, Differential Lock, 20000 lb Front Axle, 46000 lb Rears, 66000 lb GVWR, Air Ride Cab, 36 in Flat Top Sleeper Cab, Aluminum Wheels, 315/80R22.5 Front Tires, 11R24.5 Rear Tires, Double Frame, Hendrickson HAS Air Ride Suspension, 240 in Wheelbase, Wet Kit, Air Sliding 5th Wheel, Headache Rack